Remote Code Execution Vulnerability in Fail2ban's Postfix Filter
CVE-2013-7176

Currently unrated

Key Information:

Vendor: Fail2ban
Status: Fail2ban
Vendor: CVE Published:; 1 February 2014

What is CVE-2013-7176?

The vulnerability arises in the Fail2ban configuration file for the Postfix filter, where improper regular expression design allows remote attackers to exploit the system. By crafting a specific email address, they can inadvertently trigger the blocking of arbitrary IP addresses, leading to potential denial-of-service scenarios and unauthorized access. Users are advised to upgrade to Fail2ban version 0.8.11 or later to mitigate these risks.

References

http://www.kb.cert.org/vuls/id/686662

third-party-advisoryx_refsource_CERT-VN

http://lists.opensuse.org/opensuse-updates/2014-03/msg000...

vendor-advisoryx_refsource_SUSE

http://www.debian.org/security/2014/dsa-2979

vendor-advisoryx_refsource_DEBIAN

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Feb 1, 2014
Vulnerability Reserved
Dec 19, 2013

CVE-2013-7176 Data

JSON